Suzuki SX4 Service Manual page 240

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1A-190 Engine General Information and Diagnosis:
Reference waveform No.23
CAN communication line signal from ABS / ESP®
control module assembly or TCM with ignition switch
turned ON
CH1: "E01-3" to "C01-58" / CH1:
Measurement
"C01-13" to "C01-58"
terminal
CH2: "E01-18" to "C01-58" / CH2:
"C01-12" to "C01-58"
Oscilloscope
CH1: 1 V/DIV, CH2: 1 V/DIV
TIME: 40 µs/DIV
setting
Ignition switch turned ON
Measurement
(Signal pattern is depending on
condition
engine condition)
1. CAN communication line signal (High)
2. CAN communication line signal (Low)
Reference waveform No.24
Ignition pulse (engine revolution) signal (2) with engine
idling
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I4RS0B110076-01
[A]: For VVT model
[B]: For non-VVT model
1. Cylinder reference signal (CMP reference signal)
3. 720° crank angle
CH1: "C01-20" to "C01-58"
CH2: "E01-4" to "C01-58"
CH1: 5 V/DIV, CH2: 5 V/DIV
TIME: 40 ms/DIV
• After warmed up to normal
operating temperature
• Engine at specified idle speed
I4RS0B110077-01

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